Charalampos Chelmis

107 papers A* 5A 2B 21Misc 12Journal 25Unranked 40
YearRankTypeTitle / Venue / Authors
2025 B conf
CHEX: A Cascade of Heterogeneous Experts for Instance-Wise Credit Assessment.
IEEE Big Data
Daphney-Stavroula Zois, Charalampos Chelmis, Mahsa Azarshab, Ali Salehi Darjani
2025 J jnl
Improving homeless service assignment outcomes.
J. Comput. Soc. Sci.
Khandker Sadia Rahman, Charalampos Chelmis
2025 — conf
PATHS: Agent-Based Modeling of Homelessness Pathways.
ASONAM (3)
Nowshin Tasnim, Khandker Sadia Rahman, Charalampos Chelmis
2025 A* conf
Predictive Modeling of Homeless Service Assignment: A Representation Learning Approach.
AAAI
Khandker Sadia Rahman, Charalampos Chelmis
2025 B conf
Retrieval-Reranker: A Two-Stage Pipeline for Knowledge Graph Completion.
IEEE Big Data
Bedirhan Gergin, Charalampos Chelmis
2024 B conf
Large-Scale Knowledge Graph Embeddings in Apache Spark.
IEEE Big Data
Bedirhan Gergin, Charalampos Chelmis
2024 J jnl
Noisy Label Detection and Counterfactual Correction.
IEEE Trans. Artif. Intell.
Wenting Qi, Charalampos Chelmis
2024 J jnl
Predictive Modeling of Homeless Service Assignment: A Representation Learning Approach.
CoRR
Khandker Sadia Rahman, Charalampos Chelmis
2024 B conf
Reject Inference as a Noisy Label Detection and Counterfactual Correction Task.
IEEE Big Data
Charalampos Chelmis, Mahsa Azarshab, Khandker Sadia Rahman, Mehrdad Mirpourian
2024 J jnl
Sequential Datum-wise Feature Acquisition and Classifier Selection.
IEEE Trans. Artif. Intell.
Sachini Piyoni Ekanayake, Daphney-Stavroula Zois, Charalampos Chelmis
2024 — conf
SparkKG-ML: A Library to Facilitate End-to-End Large-Scale Machine Learning Over Knowledge Graphs in Python.
ISWC (3)
Bedirhan Gergin, Charalampos Chelmis
2024 J jnl
Why Do Some Homeless Succeed While Others Falter? A Network Science Perspective.
IEEE Trans. Comput. Soc. Syst.
Charalampos Chelmis, Khandker Sadia Rahman
2023 Misc conf
Bayesian Network Modeling and Prediction of Transitions Within the Homelessness System.
ICASSP
Khandker Sadia Rahman, Daphney-Stavroula Zois, Charalampos Chelmis
2023 J jnl
Evaluating algorithmic homeless service allocation.
J. Comput. Soc. Sci.
Wenting Qi, Charalampos Chelmis
2023 B conf
Hybrid Loss for Hierarchical Multi-label Classification Network.
IEEE Big Data
Wenting Qi, Charalampos Chelmis
2023 J jnl
Modeling and predicting individual transitions within the homelessness system.
Soc. Netw. Anal. Min.
Khandker Sadia Rahman, Charalampos Chelmis
2023 B conf
Online Hierarchical Multi-label Classification.
IEEE Big Data
Wenting Qi, Charalampos Chelmis
2023 A conf
Recipe Networks and the Principles of Healthy Food on the Web.
ICWSM
Charalampos Chelmis, Bedirhan Gergin
2023 Misc conf
Sequential Datum-Wise Joint Feature Selection and Classification in the Presence of External Classifier.
ICASSP
Sachini Piyoni Ekanayake, Daphney-Stavroula Zois, Charalampos Chelmis
2022 — ch.
Computational Models for Cascades in Massive Graphs.
Massive Graph Analytics
Ajitesh Srivastava, Charalampos Chelmis, Viktor K. Prasanna
2022 B conf
IEEE/ACM ASONAM 2022: Welcome from the ASONAM 2022 Program Chairs.
ASONAM
Jisun An, Charalampos Chelmis, Walid Magdy
2022 B conf
Label Denoising and Counterfactual Explanation with A Plug and Play Framework.
IEEE Big Data
Wenting Qi, Charalampos Chelmis
2022 B conf
Learning to Predict Transitions within the Homelessness System from Network Trajectories.
ASONAM
Khandker Sadia Rahman, Charalampos Chelmis
2022 J jnl
Near Real-Time Freeway Accident Detection.
IEEE Trans. Intell. Transp. Syst.
Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
2022 B conf
Robust Learning with Noisy Label Detection and Counterfactual Correction.
IEEE Big Data
Wenting Qi, Charalampos Chelmis
2021 — conf
Challenges and Opportunities in Using Data Science for Homelessness Service Provision.
WWW (Companion Volume)
Charalampos Chelmis, Wenting Qi, Wonhyung Lee
2021 J jnl
Dynamic Instance-Wise Classification in Correlated Feature Spaces.
CoRR
Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
2021 J jnl
Dynamic Instance-Wise Classification in Correlated Feature Spaces.
IEEE Trans. Artif. Intell.
Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
2021 J jnl
Dynamic Instance-wise Joint Feature Selection and Classification.
IEEE Trans. Artif. Intell.
Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
2021 J jnl
Dynamic, Incremental, and Continuous Detection of Cyberbullying in Online Social Media.
ACM Trans. Web
Charalampos Chelmis, Daphney-Stavroula Zois
2021 — conf
Hierarchical MultiClass AdaBoost.
IEEE BigData
Charalampos Chelmis, Wenting Qi
2021 — conf
Improving Algorithmic Decision-Making in the Presence of Untrustworthy Training Data.
IEEE BigData
Wenting Qi, Charalampos Chelmis
2021 B conf
Peeking through the homelessness system with a network science lens.
ASONAM
Charalampos Chelmis, Khandker Sadia Rahman
2020 Misc conf
Knowing When to Stop: Joint Heterogeneous Feature Selection and Classification.
ACSSC
Imara Nazar, Daphney-Stavroula Zois, Charalampos Chelmis
2020 Misc conf
On-The-Fly Feature Selection and Classification with Application to Civic Engagement Platforms.
ICASSP
Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
2020 J jnl
On-the-Fly Joint Feature Selection and Classification.
CoRR
Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
2020 — conf
Sequential Heterogeneous Feature Selection for Multi-Class Classification: Application in Government 2.0.
MLSP
Imara Nazar, Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
2019 Misc conf
Automated Optimal Online Civil Issue Classification using Multiple Feature Sets.
ACSSC
Imara Nazar, Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
2019 Misc conf
Automating the Classification of Urban Issue Reports: an Optimal Stopping Approach.
ICASSP
Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis, Mengfan Yao
2019 — conf
Creating Public Value by Democratizing the Ecosystem of Human Service Providers.
WWW (Companion Volume)
Charalampos Chelmis, Mengfan Yao
2019 A* conf
Cyberbullying Ends Here: Towards Robust Detection of Cyberbullying in Social Media.
WWW
Mengfan Yao, Charalampos Chelmis, Daphney-Stavroula Zois
2019 J jnl
Extracting entity-specific substructures for RDF graph embeddings.
Semantic Web
Muhammad Rizwan Saeed, Charalampos Chelmis, Viktor K. Prasanna
2019 — conf
Lightning Talk-Towards Robust Detection of Cyberbullying in Social Media.
WWW (Companion Volume)
Mengfan Yao, Charalampos Chelmis, Daphney-Stavroula Zois
2019 — conf
Minority Report: Cyberbullying Prediction on Instagram.
WebSci
Charalampos Chelmis, Mengfan Yao
2019 — conf
RecANt: Network-based Recruitment for Active Fake News Correction.
IEEE BigData
Ajitesh Srivastava, Rajgopal Kannan, Charalampos Chelmis, Viktor K. Prasanna
2019 Misc conf
Robust Freeway Accident Detection: A Two-Stage Approach.
ICASSP
Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
2019 B conf
Understanding online civic engagement: a multi-neighborhood study of SeeClickFix.
ASONAM
Christopher Yong, Charalampos Chelmis, Wonhyung Lee, Daphney-Stavroula Zois
2019 B conf
Web and society: a first look into the network of human service providers.
ASONAM
Charalampos Chelmis, Mengfan Yao, Wonhyung Lee
2018 — conf
A Hierarchical Framework for Timely Freeway Accident Detection and Localization.
IEEE BigData
Yasitha Warahena Liyanage, Charalampos Chelmis, Daphney-Stavroula Zois
2018 J jnl
ASQFor: Automatic SPARQL query formulation for the non-expert.
AI Commun.
Muhammad Rizwan Saeed, Charalampos Chelmis, Viktor K. Prasanna
2018 B conf
Cyberbullying Detection on Instagram with Optimal Online Feature Selection.
ASONAM
Mengfan Yao, Charalampos Chelmis, Daphney-Stavroula Zois
2018 A conf
FActCheck: Keeping Activation of Fake News at Check.
AAMAS
Ajitesh Srivastava, Rajgopal Kannan, Charalampos Chelmis, Viktor K. Prasanna
2018 Misc conf
Improving Monitoring of Participatory Civil Issue Requests through Optimal Online Classification.
ACSSC
Daphney-Stavroula Zois, Christopher Yong, Charalampos Chelmis, Angeliki Kapodistria, Wonhyung Lee
2018 J jnl
Not all Embeddings are created Equal: Extracting Entity-specific Substructures for RDF Graph Embedding.
CoRR
Muhammad Rizwan Saeed, Charalampos Chelmis, Viktor K. Prasanna
2018 Misc conf
Optimal Online Cyberbullying Detection.
ICASSP
Daphney-Stavroula Zois, Angeliki Kapodistria, Mengfan Yao, Charalampos Chelmis
2018 Misc conf
Optimal Sequential Detection of Freeway Accidents.
ACSSC
Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
2018 — conf
Quickest Freeway Accident Detection Under Unknown Post-Accident Conditions.
GlobalSIP
Yasitha Warahena Liyanage, Daphney-Stavroula Zois, Charalampos Chelmis
2018 — conf
What Matters the Most? Optimal Quick Classification of Urban Issue Reports by Importance.
GlobalSIP
Yasitha Warahena Liyanage, Mengfan Yao, Christopher Yong, Daphney-Stavroula Zois, Charalampos Chelmis
2017 — conf
A distributed algorithm for the efficient computation of the unified model of social influence on massive datasets.
HPEC
Alex Popa, Marc Frîncu, Charalampos Chelmis
2017 — conf
ASSIST: Automatic Summarization of Significant Structural Changes in Large Temporal Graphs.
WebSci
Charalampos Chelmis, Reshul Dani
2017 — ch.
Automatic Integration and Querying of Semantic Rich Heterogeneous Data: Laying the Foundations for Semantic Web of Things.
Managing the Web of Things
Muhammad Rizwan Saeed, Charalampos Chelmis, Viktor K. Prasanna
2017 — conf
Mining Patterns of Cyberbullying on Twitter.
ICDM Workshops
Charalampos Chelmis, Daphney-Stavroula Zois, Mengfan Yao
2017 — conf
PReSS towards a secure smart grid: Protection recommendations against smart spoofing.
ISGT
Charith Wickramaarachchi, Rajgopal Kannan, Charalampos Chelmis, Viktor K. Prasanna
2017 J jnl
Special Issue on Scalable Computing Systems for Big Data Applications.
J. Parallel Distributed Comput.
Xian-He Sun, Marc Frîncu, Charalampos Chelmis
2016 J jnl
Computing competing cascades on signed networks.
Soc. Netw. Anal. Min.
Ajitesh Srivastava, Charalampos Chelmis, Viktor K. Prasanna
2016 — conf
Distributed exact subgraph matching in small diameter dynamic graphs.
IEEE BigData
Charith Wickramaarachchi, Rajgopal Kannan, Charalampos Chelmis, Viktor K. Prasanna
2016 Misc conf
High-Throughput and Energy-Efficient Graph Processing on FPGA.
FCCM
Shijie Zhou, Charalampos Chelmis, Viktor K. Prasanna
2016 A* conf
Implementation of Learning-Based Dynamic Demand Response on a Campus Micro-Grid.
IJCAI
Sanmukh R. Kuppannagari, Rajgopal Kannan, Charalampos Chelmis, Viktor K. Prasanna
2016 — conf
Learning to REDUCE: A Reduced Electricity Consumption Prediction Ensemble.
AAAI Workshop: AI for Smart Grids and Smart Buildings
Saima Aman, Charalampos Chelmis, Viktor K. Prasanna
2016 J jnl
MATCH for the Prosumer Smart Grid The Algorithmics of Real-Time Power Balance.
IEEE Trans. Parallel Distributed Syst.
Ranjan Pal, Charalampos Chelmis, Marc Frîncu, Viktor K. Prasanna
2016 — conf
Mining Large Dense Subgraphs.
WWW (Companion Volume)
Ajitesh Srivastava, Charalampos Chelmis, Viktor K. Prasanna
2016 Misc conf
Optimal Customer Targeting for Sustainable Demand Response in Smart Grids.
ICCS
Sanmukh R. Kuppannagari, Rajgopal Kannan, Charalampos Chelmis, Arash Saber Tehrani, Viktor K. Prasanna
2016 — conf
ParLearning Introduction and Committees.
IPDPS Workshops
Charalampos Chelmis, Sutanay Choudhury, Arindam Pal, Anand V. Panangadan, Weiqin Tong, Yinglong Xia
2016 — conf
Software defined connected prosumer communities.
WF-IoT
Charalampos Chelmis, Rajgopal Kannan, Viktor K. Prasanna
2016 A* conf
Thou Shalt ASQFor and Shalt Receive the Semantic Answer.
IJCAI
Muhammad Rizwan Saeed, Charalampos Chelmis, Viktor K. Prasanna
2016 J jnl
Towards Dynamic Demand Response On Efficient Consumer Grouping Algorithmics.
IEEE Trans. Sustain. Comput.
Ranjan Pal, Charalampos Chelmis, Marc Frîncu, Viktor K. Prasanna
2015 — conf
A hybrid design for high performance large-scale sorting on FPGA.
ReConFig
Ajitesh Srivastava, Ren Chen, Viktor K. Prasanna, Charalampos Chelmis
2015 — conf
Accelerating Large-Scale Single-Source Shortest Path on FPGA.
IPDPS Workshops
Shijie Zhou, Charalampos Chelmis, Viktor K. Prasanna
2015 — conf
Big data analytics for demand response: Clustering over space and time.
IEEE BigData
Charalampos Chelmis, Jahanvi Kolte, Viktor K. Prasanna
2015 — conf
Challenge: On Online Time Series Clustering for Demand Response: Optic - A Theory to Break the 'Curse of Dimensionality'.
e-Energy
Ranjan Pal, Charalampos Chelmis, Chandra Tadepalli, Marc Frîncu, Saima Aman, Viktor K. Prasanna
2015 — conf
Curtailment Estimation Methods for Demand Response: Lessons Learned by Comparing Apples to Oranges.
e-Energy
Charalampos Chelmis, Muhammad Rizwan Saeed, Marc Frîncu, Viktor K. Prasanna
2015 — conf
Empowering Fast Incremental Computation over Large Scale Dynamic Graphs.
IPDPS Workshops
Charith Wickramaarachchi, Charalampos Chelmis, Viktor K. Prasanna
2015 — conf
Enabling Automated Dynamic Demand Response: From Theory to Practice.
e-Energy
Marc Frîncu, Charalampos Chelmis, Muhammad Rizwan Saeed, Viktor K. Prasanna, Saima Aman, Vasileios Zois, Carol Fern, Aras Akbari
2015 — conf
Estimating Reduced Consumption for Dynamic Demand Response.
AAAI Workshop: Computational Sustainability
Charalampos Chelmis, Saima Aman, Muhammad Rizwan Saeed, Marc Frîncu, Viktor K. Prasanna
2015 A* conf
Influence-Driven Model for Time Series Prediction from Partial Observations.
AAAI
Saima Aman, Charalampos Chelmis, Viktor K. Prasanna
2015 — conf
Optimizing memory performance for FPGA implementation of pagerank.
ReConFig
Shijie Zhou, Charalampos Chelmis, Viktor K. Prasanna
2015 — conf
Prediction models for dynamic demand response: Requirements, challenges, and insights.
SmartGridComm
Saima Aman, Marc Frîncu, Charalampos Chelmis, Muhammad Usman Noor, Yogesh Simmhan, Viktor K. Prasanna
2015 B conf
Real-Time Analytics for Fast Evolving Social Graphs.
CCGRID
Charith Wickramaarachchi, Alok Gautam Kumbhare, Marc Frîncu, Charalampos Chelmis, Viktor K. Prasanna
2015 B conf
Social Influence Computation and Maximization in Signed Networks with Competing Cascades.
ASONAM
Ajitesh Srivastava, Charalampos Chelmis, Viktor K. Prasanna
2015 J jnl
The unified model of social influence and its application in influence maximization.
Soc. Netw. Anal. Min.
Ajitesh Srivastava, Charalampos Chelmis, Viktor K. Prasanna
2014 — conf
Accurate and efficient selection of the best consumption prediction method in smart grids.
IEEE BigData
Marc Frîncu, Charalampos Chelmis, Muhammad Usman Noor, Viktor K. Prasanna
2014 — conf
Addressing data veracity in big data applications.
IEEE BigData
Saima Aman, Charalampos Chelmis, Viktor K. Prasanna
2014 J jnl
Computational models of technology adoption at the workplace.
Soc. Netw. Anal. Min.
Charalampos Chelmis, Ajitesh Srivastava, Viktor K. Prasanna
2014 — conf
Efficient customer selection for sustainable demand response in smart grids.
IGCC
Vasileios Zois, Marc Frîncu, Charalampos Chelmis, Muhammad Rizwan Saeed, Viktor K. Prasanna
2014 B conf
Influence in social networks: A unified model?
ASONAM
Ajitesh Srivastava, Charalampos Chelmis, Viktor K. Prasanna
2014 J jnl
Semantic Social Network Analysis for the Enterprise.
Comput. Informatics
Charalampos Chelmis, Hao Wu, Vikram Sorathia, Viktor K. Prasanna
2013 J jnl
An empirical analysis of microblogging behavior in the enterprise.
Soc. Netw. Anal. Min.
Charalampos Chelmis, Viktor K. Prasanna
2013 — conf
Complex modeling and analysis of workplace collaboration data.
CTS
Charalampos Chelmis
2013 B conf
Enriching employee ontology for enterprises with knowledge discovery from social networks.
ASONAM
Hao Wu, Charalampos Chelmis, Vikrambhai S. Sorathia, Yinuo Zhang, Om Prasad Patri, Viktor K. Prasanna
2013 — conf
Exploring generative models of tripartite graphs for recommendation in social media.
MSM
Charalampos Chelmis, Viktor K. Prasanna
2013 J jnl
Social Link Prediction in Online Social Tagging Systems.
ACM Trans. Inf. Syst.
Charalampos Chelmis, Viktor K. Prasanna
2013 B conf
The role of organization hierarchy in technology adoption at the workplace.
ASONAM
Charalampos Chelmis, Viktor K. Prasanna
2012 B conf
Enterprise Wisdom Captured Socially.
ASONAM
Charalampos Chelmis, Vikrambhai S. Sorathia, Viktor K. Prasanna
2012 B conf
Microblogging in the Enterprise: A Few Comments are in Order.
ASONAM
Charalampos Chelmis, Viktor K. Prasanna
2012 — conf
Predicting Communication Intention in Social Networks.
SocialCom/PASSAT
Charalampos Chelmis, Viktor K. Prasanna
2011 — conf
Social Networking Analysis: A State of the Art and the Effect of Semantics.
SocialCom/PASSAT
Charalampos Chelmis, Viktor K. Prasanna
2009 — conf
Mutable Peer-to-Peer File Systems: Analysis and Evaluation.
AP2PS
Charalampos Chelmis